Show via Venn diagrams that the logical implication ($A\Rightarrow B$) is equivalent to the following expressions,
\[A\bar{B} ~ \text{is false} ~,\] \[\bar{A} + B ~ \text{is true} ~,\] \[A = AB ~,\]
Amir Shahmoradi
Genius is 99% perspiration and 1% inspiration